Great danes like all dogs do have backbones.
the dog itself is a Great Dane. Plural (more than one) it is Great Danes.
no because, the great danes are much bigger than the poodles
Great Danes are not natuarlly viscous dogs. They can be trained for many jobs, including guarding.
Yes, both my male and female great danes catch and fetch frisbees.
Great Danes are believed to be originated in Germany by the Alans from Mastiff's and probably wolf hounds.
No, they do not.
Very!
no there not
nothing
Sleep!
mammal
Usually , no. Most Great Danes are simply kept as pets and companions and wouldn't be used to hunt anything.